(19)
(11) EP 2 919 929 A2

(12)

(88) Date of publication A3:
10.07.2014

(43) Date of publication:
23.09.2015 Bulletin 2015/39

(21) Application number: 13798872.1

(22) Date of filing: 19.11.2013
(51) International Patent Classification (IPC): 
B22C 9/08(2006.01)
(86) International application number:
PCT/US2013/070644
(87) International publication number:
WO 2014/078822 (22.05.2014 Gazette 2014/21)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 19.11.2012 US 201261727932 P

(71) Applicant: ASK Chemicals L.P.
Wilmington, DE 19801 (US)

(72) Inventors:
  • AUFDERHEIDE, Ronald, C.
    Huber Heights, OH 45424 (US)
  • HARMON, Sean, R.
    Columbus, OH 43204 (US)
  • HORVATH, Lee, R.
    Powell, OH 43065 (US)
  • SHOWMAN, Ralph, E.
    Galloway, OH 43119 (US)

(74) Representative: Müller Schupfner & Partner Patent- und Rechtsanwaltspartnerschaft mbB 
Schellerdamm 19
21079 Hamburg
21079 Hamburg (DE)

   


(54) RISER SLEEVE WITH AIR GAP